The Sonaris Audio Vienna Amp with USB-C DAC combines pure Class A amplification, fully balanced circuitry, precision R2R volume control and up to 4 watts of output power in a premium aluminium chassis. Read more.
The Sonaris Audio Vienna Amp with USB-C DAC is a high-end headphone amplifier, preamplifier and DAC designed for demanding music enthusiasts. Sonaris combines a true four-channel pure Class A amplification architecture with fully balanced signal paths, discrete circuitry and precision R2R volume control.
Delivering up to 4 watts of output power, the Vienna Amp provides substantial headroom for demanding high-end headphones. The integrated USB-C DAC also makes this version an excellent centrepiece for a modern premium desktop audio system.
At the heart of the Sonaris Vienna Amp is a genuine four-channel Class A amplification architecture. Together with its fully balanced signal topology, it has been engineered to provide powerful dynamics, spacious presentation and exceptional detail retrieval.
With up to 4 watts of output power available, there is ample headroom for a broad range of premium headphones, including more demanding designs that require a capable dedicated amplifier.
This version of the Vienna Amp incorporates an integrated USB-C DAC, allowing a suitable digital USB-C audio source to be connected directly to the amplifier.
Combining digital conversion, preamplification and powerful Class A headphone amplification within a single premium component makes the Vienna Amp an attractive solution for listeners seeking both uncompromising performance and a clean desktop installation.
Sonaris employs a fully balanced architecture with discrete circuitry. Particular attention has been paid to every part of the signal path, from input to output, with the aim of maintaining signal integrity, channel separation and precise musical detail.
The Vienna Amp is equally suitable for use as a dedicated headphone amplifier or as a high-quality preamplifier in a Hi-Fi system.
Instead of relying on a conventional volume potentiometer, the Vienna Amp features an advanced R2R volume control system. Its precision resistor network is designed to provide excellent channel matching and a highly transparent signal path.
This is especially important when listening through premium headphones at lower volume levels, where accurate left-to-right channel balance contributes significantly to imaging and soundstage precision.
The Sonaris Vienna Amp offers two gain settings. In addition, the input voltage of the Class A amplification stage can be adjusted through two operating modes.
This flexibility makes it possible to optimise the amplifier for a wide range of headphones as well as individual listening preferences.
Users can freely select headphone amplifier or preamplifier operation. The Vienna Amp remembers the most recently used settings, including separate volume levels for its different outputs, making switching between applications convenient.
Pure Class A amplification naturally produces heat. Sonaris therefore developed an intelligent thermal management concept involving the circuit board layout, substantial aluminium chassis and active monitoring of operating conditions.
The current operating temperature can conveniently be viewed on the integrated display.
A seamless glass front panel with an integrated OLED display is combined with premium-grade aluminium construction to create an amplifier that visually reflects its high-end engineering.
The supplied remote control is also machined from solid aluminium, maintaining the same premium material quality and design philosophy.
| Type | Headphone amplifier / preamplifier / DAC |
| Amplification | Pure Class A |
| Amplifier architecture | True 4-channel architecture |
| Signal path | Fully balanced |
| Circuit design | Discrete circuitry |
| Maximum output power | Up to 4 watts |
| DAC | Integrated USB-C DAC |
| Volume control | Precision R2R volume control |
| Gain | 2 settings |
| Class A operating modes | 2 amplifier input-voltage settings |
| Display | Integrated OLED display |
| Thermal management | Intelligent thermal management with temperature display |
| Chassis | Premium aluminium with glass front panel |
| Remote control | Solid aluminium |
Sonaris is an Austrian audio brand focused on uncompromising sound quality, premium materials and sophisticated audio engineering.
The Sonaris Audio Vienna Amp with USB-C DAC combines purist Class A analogue amplification with convenient modern digital connectivity, making it an exceptional solution for high-end headphone and desktop audio systems.
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